Diabetic patients have certain requirements for meal refills. If diabetic patients have large blood sugar fluctuations, it is recommended that patients who are prone to hypoglycemia before meals or bedtime have a meal refill, usually in the middle of two meals or before bedtime, in order to prevent excessive blood sugar fluctuations and to correct hypoglycemia in a timely manner or to prevent hypoglycemia at night. If diabetic patients add meals, you can choose sugar-free cookies, each additional meal can eat 2-3 pieces, can not eat too much, eat too much but will lead to increased blood sugar, bedtime meal patients can choose to drink milk or yogurt.